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Lipids ,[object Object],[object Object],[object Object],[object Object]
Types of Lipids ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Fatty Acids ,[object Object],[object Object],[object Object],[object Object],[object Object]
Saturated and Unsaturated Fatty Acids ,[object Object],[object Object]
Structures ,[object Object],[object Object],[object Object],[object Object]
Properties of Saturated Fatty Acids ,[object Object],[object Object],[object Object],[object Object],[object Object]
Properties of Unsaturated Fatty Acids ,[object Object],[object Object],[object Object],[object Object],[object Object]
Learning Check L1 ,[object Object],[object Object],[object Object],[object Object]
Solution L1 ,[object Object],[object Object],[object Object],[object Object]
Fats and Oils ,[object Object]
Triglycerides (triacylglcerols) ,[object Object]
Learning Check L2 ,[object Object]
Solutions L2 ,[object Object],Stearic acid Oleic acid Myristic acid
Properties of Triglycerides ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Hydrogenation
Product of Hydrogenation ,[object Object]
Hydrolysis ,[object Object]
Saponification and Soap ,[object Object],[object Object],[object Object],[object Object]
Saponification
Learning Check L3 ,[object Object],[object Object],[object Object],[object Object]
Solution L3 ,[object Object],[object Object]
The Lipids:  Triglycerides, Phospholipids and Sterols
Lipids Objectives ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Fatty Acids ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
The Length of the Carbon Chain Short-chain Fatty Acid (less than 6 carbons) Medium-chain Fatty Acid (6-10 carbons) Long-chain Fatty Acid (12 or more carbons)
Fatty Acids are Key Building Blocks ,[object Object],[object Object]
Monounsaturated Fatty Acid (MUFA) ,[object Object]
Polyunsaturated Fatty Acid (PUFA) ,[object Object]
Location of Double Bonds ,[object Object],[object Object],[object Object]
Degree of Unsaturation ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Hydrogenation
Cis-fatty acid :  H’s on same side of the double bond; fold into a U-like formation; naturally occurring; Trans-fatty acid :  H’s on opposite side of double bond; more linear; occur in partially hydrogenated foods;
 
 
1.  Shortening 2.  Cube margarine: vegetable oil blend (partially hydrogenated soybean oil and liquid  soybean oil), water, whey, etc 1 Tbsp:  9 g fat; 2 g SFA; 2 g PUFA; 2.5 g MUFA; 3.  Light Tub Margarine: water, liquid and partially hydro- genated soybean oil, maltodextrin, etc. 1 Tbsp:  6 g fat; 1 g SFA;
Trans-fat must be listed on  Food Label  By January 1, 2006
 
 
But, is all Trans Fat  Bad? CLA Conjugated Linoleic Acid
Essential Fatty Acids (EFA) ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],FISH
Omega-3 Omega-6
Omega-3 Fatty Acids ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Essential Fatty Acid Deficiency ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Eicosanoids:   made from EFA --derivatives of 20-carbon fatty acids; --affect cells where they are made; --have different effects in different cells --cause muscles to contract and muscles to relax; -- help regulate blood pressure, blood clot  formation, blood lipids, and immune response; --participate in immune response to injury and  infection, producing fever, inflammation, and pain; --include:prostaglandins, thromboxanes, leukotrienes
Triglycerides ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Triglycerides :  lipids composed of three fatty acids  attached to a glycerol
Triglycerides ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Fatty Acids in Common Food Fats
 
Phospholipids ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Cell membranes are phospholipid  bilayers
 
Sterols: Cholesterol ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Lipid Digestion ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
 
[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Metabolic Pathways and Energy Production ,[object Object],[object Object],[object Object]
Metabolism ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],catabolic anabolic
Cell Structure ,[object Object],[object Object],[object Object],[object Object],[object Object]
ATP ,[object Object],[object Object],[object Object],[object Object],[object Object]
Structure of ATP
Digestion of Foods ,[object Object],[object Object],[object Object],[object Object],[object Object]
Coenzymes ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Glycolysis: Oxidation of Glucose ,[object Object],[object Object],[object Object],[object Object],[object Object],Glucose two Glyceraldehyde-3-PO 4 two Pyruvate
Glycolysis: Oxidation of Glucose
Glycolysis: Oxidation of Glucose ,[object Object]
Glycolysis: Oxidation of Glucose ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Pathways for Pyruvate ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Pathways for Pyruvate ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Lactate in Muscles ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Learning Check M1 ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Solution M1 ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

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Main lecture for lipids

  • 1.
  • 2.
  • 3.
  • 4.
  • 5.
  • 6.
  • 7.
  • 8.
  • 9.
  • 10.
  • 11.
  • 12.
  • 13.
  • 14.
  • 16.
  • 17.
  • 18.
  • 20.
  • 21.
  • 22. The Lipids: Triglycerides, Phospholipids and Sterols
  • 23.
  • 24.
  • 25. The Length of the Carbon Chain Short-chain Fatty Acid (less than 6 carbons) Medium-chain Fatty Acid (6-10 carbons) Long-chain Fatty Acid (12 or more carbons)
  • 26.
  • 27.
  • 28.
  • 29.
  • 30.
  • 32. Cis-fatty acid : H’s on same side of the double bond; fold into a U-like formation; naturally occurring; Trans-fatty acid : H’s on opposite side of double bond; more linear; occur in partially hydrogenated foods;
  • 33.  
  • 34.  
  • 35. 1. Shortening 2. Cube margarine: vegetable oil blend (partially hydrogenated soybean oil and liquid soybean oil), water, whey, etc 1 Tbsp: 9 g fat; 2 g SFA; 2 g PUFA; 2.5 g MUFA; 3. Light Tub Margarine: water, liquid and partially hydro- genated soybean oil, maltodextrin, etc. 1 Tbsp: 6 g fat; 1 g SFA;
  • 36. Trans-fat must be listed on Food Label By January 1, 2006
  • 37.  
  • 38.  
  • 39. But, is all Trans Fat Bad? CLA Conjugated Linoleic Acid
  • 40.
  • 42.
  • 43.
  • 44. Eicosanoids: made from EFA --derivatives of 20-carbon fatty acids; --affect cells where they are made; --have different effects in different cells --cause muscles to contract and muscles to relax; -- help regulate blood pressure, blood clot formation, blood lipids, and immune response; --participate in immune response to injury and infection, producing fever, inflammation, and pain; --include:prostaglandins, thromboxanes, leukotrienes
  • 45.
  • 46. Triglycerides : lipids composed of three fatty acids attached to a glycerol
  • 47.
  • 48. Fatty Acids in Common Food Fats
  • 49.  
  • 50.
  • 51. Cell membranes are phospholipid bilayers
  • 52.  
  • 53.
  • 54.
  • 55.  
  • 56.
  • 57.
  • 58.
  • 59.
  • 60.
  • 62.
  • 63.
  • 64.
  • 66.
  • 67.
  • 68.
  • 69.
  • 70.
  • 71.
  • 72.